Softened the language in the Pro upgrade modal (#1574) #1940

Job	Run time
typecheck / typecheck	1m 19s
units / 🧪 Unit Tests	1m 28s
publish-webapp / publish	2m 30s
publish-worker / build (coordinator)	1m 50s
publish-worker / build (docker-provider)	58s
publish-worker / build (kubernetes-provider)	43s
	8m 48s

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